John Sineuk Kang, M.D.
NPI 1427459734ActiveIndividual· Internal Medicine, Nephrology· Bronx, NY
Internal Medicine, Nephrology (M.D.) with Hudson MD Group, practicing in Bronx, New York. Their prescriptions cost Medicare Part D more than their services did: $3,233,767 for 4,543 claims, against $374,905 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 19 companies reporting payments in 2025, $47,592 in all, mostly honoraria. Lists Englewood Hospital and Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1427459734 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 7, 2014 |
| Last updated in NPPES | Jun 1, 2023 |
| Certified by provider | Jun 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 296385 | NY |
| Internal Medicine | 207R00000X | 25MA10810400 | NJ |
| Internal Medicine, Nephrology | 207RN0300X | 25MA10810400 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 261 |
|---|---|
| Services billed | 11,479 across 68 procedure codes |
| Paid by Medicare | $374,905 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,543 · 8,196 30-day fills |
|---|---|
| Patients | 442 |
| Total drug cost | $3,233,767 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Hudson MD GroupFort Lee, NJ · 112 clinicians
Hospital affiliations
- Englewood Hospital and Medical CenterEnglewood, NJ
- Hackensack University Medical CenterHackensack, NJ
- Holy Name Medical CenterTeaneck, NJ
Other facilities
- Davita South Dean DialysisDialysis facility · Englewood, NJ
- Fkc TenaflyDialysis facility · Tenafly, NJ
- Fmc Holy NameDialysis facility · Teaneck, NJ
Industry payments (Open Payments)
- 2025$47,592 · 254 payments from 19 companies
- 2024$29,830 · 291 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $26,451 | 46 |
| Amgen Inc. | $18,389 | 75 |
| Ani Pharmaceuticals, Inc. | $367.21 | 28 |
| Travere Therapeutics, Inc. | $312.06 | 14 |
| Astrazeneca Pharmaceuticals LP | $231.98 | 15 |
What the 2025 payments were for
- Honoraria$19,125 · 8 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$15,750 · 10 payments
- Food and Beverage$5,396 · 213 payments
- Consulting Fee$4,346 · 1 payment
- Travel and Lodging$2,940 · 18 payments
- Education$34.95 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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